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have been taken have taken has been taken took
have taken place have been taken place took place have been happened
have had have been were has been
were；were have been；have been have been；were were；have been
have happened have taken place have been happened have been taken placew
have been;have been have been;were were;have been were;were
were have been has been was
had been were have been has been
has been have been was were
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has taken have taken has been taken have been taken
have taken place have been taken place took place have been happened
has been have been was were
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to make to have made made making
have been has been was were
have taken place have taken the place have been taken place have been happened
were have been had been are
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